With a positive and progressive attitude to customer’s interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Factory Price China Hc41t Copper Flange Muffle Silencing Check Valve, In addition, we would properly guideline the shoppers about the application techniques to adopt our products and solutions as well as the way to select appropriate materials.
With a positive and progressive attitude to customer’s interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of China Copper Check Valve, Muffle Check Valve, Taking the core concept of “to be the Responsible”. We’ll redound up on society for high quality products and good service. We will initiative to participate in international competition to be a first- class manufacturer of this product in the world.
The double-clip disc check valves are single-disc swing check valves with double-clip connection. They are all ultra-thin check valves to prevent medium countercurrent in pipeline. The double-clip disc check valves of H74X and H74H have the advantages of simple structure, beautiful appearance, light weight and convenient installation. It is mainly suitable for water supply system, petroleum, chemical, metallurgical and other industrial sectors. It is most suitable for places with limited installation space. H74 series double-clip disc check valves are designed with double-clip connection, through single-disc swing type automatic valves, and stainless steel or Stelli surfacing can be used for the sealing surface of valve body and disc.
Technical data
PN(MPa) Nominal pressure |
1.0 |
1.6 |
2.5 |
4.0 |
(MPa) Shell testing pressure |
1.5 |
2.4 |
3.75 |
6.0 |
(MPa) Seal testing pressure |
1.1 |
1.76 |
2.75 |
4.4 |
°C Suitable temperature |
<400(Hard seal) <120(<250)(Soft seal) |
|||
Suitable mediums |
Oil, water, acid and alkali liquid |
Meterial of main parts
Part name |
Valve body, valve disc |
Seat ring |
Meterial |
Garbon steel, stainless steel, copper |
NBR,EPDM,PTFE |
Main Dimension
DN(mm) | d | L | D | ||||
I | II | PN1.0MPa | PN1.6MPa | PN2.5MPa | PN4.0MPa | ||
50 | 25 | 15 | 22 | 109 | 109 | 109 | 109 |
65 | 38 | 15 | 22 | 129 | 129 | 129 | 129 |
80 | 46 | 15 | 22 | 144 | 144 | 144 | 144 |
100 | 72 | 15 | 24 | 164 | 164 | 170 | 170 |
125 | 95 | 16 | 26 | 194 | 194 | 186 | 186 |
150 | 114 | 19 | 29 | 221 | 221 | 226 | 226 |
200 | 140 | 29 | 43 | 275 | 275 | 286 | 293 |
250 | 188 | 29 | 43 | 330 | 331 | 343 | 355 |
300 | 216 | 38 | 50 | 380 | 386 | 403 | 420 |
350 | 263 | 41 | 52 | 440 | 446 | 460 | 477 |
400 | 305 | 51 | 62 | 491 | 498 | 517 | 549 |
450 | 356 | 51 | 62 | 541 | 558 | 567 | 574 |
500 | 406 | 65 | 80 | 596 | 620 | 627 | 631 |
600 | 482 | 70 | 90 | 698 | 737 | 734 | 750 |